SSC Sample Paper SSC (Group-C) Sample Test Paper-7

  • question_answer
    The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is:

    A)  Amino phenyl alanine

    B)  Hydroxy phenyl alanine

    C)  Phenyl alanine

    D)  Dihydroxy phenyl alanine

    Correct Answer: D

    Solution :

     The foot of the common mussel (Mytilus edulis) produces a sticky glue due to a unique compound called mussel adhesive protein, which contains a high concentration of an amino acid, DOPA (dihydroxyphenylalanine), which can cling to wet surfaces with extraordinary strength. Be- sides heart implants, the compound could be used as a tooth coating to prevent dental plaque, which is caused by bacterial infection.


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